Hardware Spec Index

Caldera SN-8440 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN8440-XT · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index5,449 (SSDs scale)
Category rank#13,067
Street price$69
Power8 W (active)
Performance per dollar78.97
Released2021

Specifications

BrandCaldera
ModelCaldera SN-8440 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,900 MB/s
Sequential write4,300 MB/s
Random 4K read740K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (HMB)
Endurance200 TBW (0.18 DWPD)
Warranty3 years
HeatsinkNone

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0

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Cite this page: Hardware Spec Index, “Caldera SN-8440 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3240744 (accessed 2026-10-21).